.body{padding: 20rpx;background-color: white;height: 1400rpx;}
.right-title{float: right;}
.images image{width: 49%;margin-right:10rpx;height:200rpx;}
.images image:nth-child(2){margin-right: 0;}
.flex{display: flex;}
.center{margin-top: 60rpx;line-height: 60rpx;}
.title-center{text-align: center;}
.span1{font-size: 40rpx}
.math{text-align: center;font-size: 70rpx;margin: 30rpx;}
.p1,.p2{color: #666;padding: 20rpx 0;line-height: 50rpx;}
.p3{text-align: center;}
.span2{text-decoration: underline;color: black;}